/* ================================================
   リセット & ベーススタイル
   ================================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* カラーパレット - 高級感のある配色 */
    --primary-color: #2c3e50;
    --secondary-color: #8b7355;
    --accent-color: #c9a96e;
    --text-dark: #1a1a1a;
    --text-gray: #555555;
    --text-light: #777777;
    --bg-white: #ffffff;
    --bg-light: #f8f7f5;
    --bg-dark: #2c3e50;
    --border-color: #e0ddd9;
    --shadow: rgba(0, 0, 0, 0.1);
    
    /* タイポグラフィ */
    --font-serif: 'Shippori Mincho', 'Noto Serif JP', serif;
    --font-sans: 'Noto Serif JP', serif;
    
    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
    
    /* トランジション */
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* ================================================
   コンテナ
   ================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ================================================
   ヘッダー
   ================================================ */
.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.logo {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    letter-spacing: 0.05em;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.cta-nav {
    background-color: var(--accent-color);
    color: var(--bg-white);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
}

.nav-link.cta-nav::after {
    display: none;
}

.nav-link.cta-nav:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* ================================================
   ヒーローセクション
   ================================================ */
.hero {
    position: relative;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: var(--spacing-xxl) 0;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(44, 62, 80, 0.7);
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 0.95rem;
    color: var(--accent-color);
    letter-spacing: 0.3em;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-transform: uppercase;
}

.hero-title {
    font-size: 2.8rem;
    color: var(--bg-white);
    margin-bottom: 1.5rem;
    line-height: 1.4;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

/* ================================================
   ボタン
   ================================================ */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.05em;
    font-family: var(--font-serif);
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-white);
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.3);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(201, 169, 110, 0.4);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
}

/* ================================================
   セクション共通
   ================================================ */
section {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    position: relative;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 1.5rem auto 0;
}

.section-title-left {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    position: relative;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.section-title-left::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    margin-top: 1rem;
}

/* ================================================
   お困りセクション
   ================================================ */
.troubles {
    background-color: var(--bg-light);
}

.troubles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.trouble-card {
    background-color: var(--bg-white);
    padding: 2.5rem 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.trouble-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.trouble-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--bg-white);
}

.trouble-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.03em;
}

.trouble-text {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 0.95rem;
}

/* ================================================
   絵画で節税セクション
   ================================================ */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-description {
    margin-bottom: 1.5rem;
    color: var(--text-gray);
    line-height: 2;
    font-size: 1.05rem;
}

.about-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

.about-description.highlight {
    background-color: var(--bg-light);
    padding: 1.5rem;
    border-left: 4px solid var(--accent-color);
    font-weight: 500;
    color: var(--text-dark);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--border-color);
}

.image-placeholder {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--bg-light), #e8e6e3);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.image-placeholder p {
    color: var(--text-light);
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

/* ================================================
   節税スキームセクション
   ================================================ */
.scheme {
    background-color: var(--bg-light);
}

.scheme-box {
    background-color: var(--bg-white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.scheme-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.scheme-header i {
    font-size: 2rem;
    color: var(--accent-color);
}

.scheme-header h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.scheme-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.scheme-text .accent {
    color: var(--accent-color);
    font-weight: 600;
    font-size: 1.2rem;
}

.scheme-note {
    background-color: #fff9e6;
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    border-left: 4px solid #f0ad4e;
}

.scheme-note i {
    color: #f0ad4e;
    font-size: 1.5rem;
}

.scheme-note span {
    color: var(--text-dark);
    font-weight: 500;
}

.scheme-note strong {
    color: #d97706;
}

.scheme-example {
    background-color: var(--bg-light);
    padding: 2rem;
    border-radius: 8px;
}

.scheme-example h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.scheme-example p {
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.scheme-example ul {
    list-style: none;
    padding-left: 0;
}

.scheme-example li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
}

.scheme-example li::before {
    content: '◆';
    color: var(--accent-color);
    margin-right: 0.8rem;
    font-size: 0.8rem;
}

.scheme-example .accent {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.3rem;
}

/* ================================================
   具体的な流れセクション
   ================================================ */
.flow-steps {
    max-width: 800px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.flow-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(201, 169, 110, 0.3);
}

.flow-content {
    flex: 1;
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.flow-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.flow-text {
    color: var(--text-gray);
    line-height: 1.8;
}

.flow-arrow {
    text-align: center;
    color: var(--accent-color);
    font-size: 2rem;
    margin: 1rem 0;
}

/* ================================================
   メリットセクション
   ================================================ */
.merit {
    background-color: var(--bg-light);
}

.merit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.merit-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.merit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.merit-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--bg-white);
}

.merit-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.merit-text {
    color: var(--text-gray);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.merit-list {
    list-style: none;
    padding-left: 0;
}

.merit-list li {
    padding: 0.5rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: center;
}

.merit-list li::before {
    content: '✓';
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 0.8rem;
    font-size: 1.2rem;
}

/* ================================================
   お客様の声セクション
   ================================================ */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.voice-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.voice-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.voice-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.voice-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--bg-light), #e8e6e3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-color);
    border: 2px solid var(--border-color);
}

.voice-name {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
    letter-spacing: 0.03em;
}

.voice-company {
    font-size: 0.9rem;
    color: var(--text-light);
}

.voice-rating {
    margin-bottom: 1rem;
    color: #f0ad4e;
    font-size: 1rem;
}

.voice-text {
    color: var(--text-gray);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    padding-left: 1.5rem;
}

.voice-text::before {
    content: '"';
    position: absolute;
    left: 0;
    top: -10px;
    font-size: 3rem;
    color: var(--accent-color);
    opacity: 0.3;
    font-style: normal;
}

/* ================================================
   FAQセクション
   ================================================ */
.faq {
    background-color: var(--bg-light);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-white);
    margin-bottom: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.faq-question {
    padding: 1.8rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.faq-question:hover {
    background-color: var(--bg-light);
}

.faq-question h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.faq-question i {
    color: var(--accent-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 2rem 2rem;
    color: var(--text-gray);
    line-height: 1.9;
}

/* ================================================
   無料相談セクション
   ================================================ */
.consultation {
    background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
    color: var(--bg-white);
    text-align: center;
}

.consultation-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.consultation-text {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 2;
    opacity: 0.95;
}

.consultation-features {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.consultation-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.consultation-feature i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.consultation .btn-primary {
    background-color: var(--accent-color);
}

.consultation .btn-primary:hover {
    background-color: var(--bg-white);
    color: var(--primary-color);
}

/* ================================================
   お問い合わせフォームセクション
   ================================================ */
.contact {
    background-color: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    height: fit-content;
}

.contact-info h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
    letter-spacing: 0.03em;
}

.contact-tel,
.contact-email {
    margin-bottom: 1.5rem;
}

.contact-tel a,
.contact-email a {
    color: var(--accent-color);
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-tel a:hover,
.contact-email a:hover {
    color: var(--secondary-color);
}

.contact-hours {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.contact-note {
    background-color: var(--bg-light);
    padding: 1rem;
    border-radius: 5px;
    color: var(--text-gray);
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.contact-note i {
    color: var(--accent-color);
    margin-top: 0.2rem;
}

.contact-form {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
    letter-spacing: 0.03em;
}

.required {
    color: #dc3545;
    font-size: 0.85rem;
    margin-left: 0.3rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    font-family: var(--font-serif);
    transition: var(--transition);
    background-color: var(--bg-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.privacy-link {
    color: var(--accent-color);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
}

.form-message {
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    display: block;
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ================================================
   運営会社情報セクション
   ================================================ */
.company-info {
    max-width: 800px;
    margin: 0 auto;
}

.company-table {
    width: 100%;
    background-color: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
}

.company-table tr {
    border-bottom: 1px solid var(--border-color);
}

.company-table tr:last-child {
    border-bottom: none;
}

.company-table th,
.company-table td {
    padding: 1.5rem 2rem;
    text-align: left;
}

.company-table th {
    background-color: var(--bg-light);
    color: var(--primary-color);
    font-weight: 600;
    width: 200px;
    letter-spacing: 0.03em;
}

.company-table td {
    color: var(--text-gray);
}

.company-table a {
    color: var(--accent-color);
    font-weight: 500;
}

.company-table a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ================================================
   フッター
   ================================================ */
.footer {
    background-color: var(--primary-color);
    color: var(--bg-white);
    padding: 2rem 0;
    text-align: center;
}

.footer-copy {
    font-size: 0.9rem;
    opacity: 0.9;
    letter-spacing: 0.05em;
}

/* ================================================
   レスポンシブデザイン
   ================================================ */
@media (max-width: 768px) {
    :root {
        --spacing-xxl: 3rem;
        --spacing-xl: 2.5rem;
        --spacing-lg: 2rem;
    }
    
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section-title,
    .section-title-left {
        font-size: 1.8rem;
    }
    
    .troubles-grid,
    .merit-grid,
    .voice-grid {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .flow-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .company-table th,
    .company-table td {
        padding: 1rem;
    }
    
    .company-table th {
        width: 120px;
        font-size: 0.9rem;
    }
    
    .consultation-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title,
    .section-title-left {
        font-size: 1.5rem;
    }
    
    .company-table {
        font-size: 0.9rem;
    }
    
    .company-table th {
        width: 100px;
        font-size: 0.85rem;
    }
}